001/*
002 * #%L
003 * HAPI FHIR - Core Library
004 * %%
005 * Copyright (C) 2014 - 2024 Smile CDR, Inc.
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 *
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package ca.uhn.fhir.context;
021
022import ca.uhn.fhir.model.api.IDatatype;
023import ca.uhn.fhir.model.api.IResource;
024import ca.uhn.fhir.model.api.annotation.Child;
025import ca.uhn.fhir.model.api.annotation.Description;
026import ca.uhn.fhir.model.primitive.XhtmlDt;
027import org.hl7.fhir.instance.model.api.IBase;
028import org.hl7.fhir.instance.model.api.IBaseDatatype;
029import org.hl7.fhir.instance.model.api.IBaseReference;
030
031import java.lang.reflect.Field;
032import java.util.ArrayList;
033import java.util.Collections;
034import java.util.Comparator;
035import java.util.List;
036import java.util.Map;
037
038public class RuntimeChildAny extends RuntimeChildChoiceDefinition {
039
040        public RuntimeChildAny(
041                        Field theField, String theElementName, Child theChildAnnotation, Description theDescriptionAnnotation) {
042                super(theField, theElementName, theChildAnnotation, theDescriptionAnnotation);
043        }
044
045        @Override
046        void sealAndInitialize(
047                        FhirContext theContext,
048                        Map<Class<? extends IBase>, BaseRuntimeElementDefinition<?>> theClassToElementDefinitions) {
049                List<Class<? extends IBase>> choiceTypes = new ArrayList<Class<? extends IBase>>();
050
051                for (Class<? extends IBase> next : theClassToElementDefinitions.keySet()) {
052                        if (next.equals(XhtmlDt.class)) {
053                                continue;
054                        }
055
056                        BaseRuntimeElementDefinition<?> nextDef = theClassToElementDefinitions.get(next);
057                        if (nextDef instanceof IRuntimeDatatypeDefinition) {
058                                if (((IRuntimeDatatypeDefinition) nextDef).isSpecialization()) {
059                                        /*
060                                         * Things like BoundCodeDt shoudn't be considered as valid options for an "any" choice, since
061                                         * we'll already have CodeDt as an option
062                                         */
063                                        continue;
064                                }
065                        }
066
067                        if (IResource.class.isAssignableFrom(next)
068                                        || IDatatype.class.isAssignableFrom(next)
069                                        || IBaseDatatype.class.isAssignableFrom(next)
070                                        || IBaseReference.class.isAssignableFrom(next)) {
071                                choiceTypes.add(next);
072                        }
073                }
074                Collections.sort(choiceTypes, new Comparator<Class<?>>() {
075                        @Override
076                        public int compare(Class<?> theO1, Class<?> theO2) {
077                                boolean o1res = IResource.class.isAssignableFrom(theO1);
078                                boolean o2res = IResource.class.isAssignableFrom(theO2);
079                                if (o1res && o2res) {
080                                        return theO1.getSimpleName().compareTo(theO2.getSimpleName());
081                                } else if (o1res) {
082                                        return -1;
083                                } else if (o1res == false && o2res == false) {
084                                        return 0;
085                                } else {
086                                        return 1;
087                                }
088                        }
089                });
090
091                setChoiceTypes(choiceTypes);
092
093                super.sealAndInitialize(theContext, theClassToElementDefinitions);
094        }
095}